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BLAIR WILLIAM & CO/IL
Period ended Sep 30, 2026 · Latest filing Nov 10, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $38,593,108,515
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- APPLE INC · COM · 037833100 · shares: $1,898,743,382
- MICROSOFT CORP · COM · 594918104 · shares: $1,747,127,216
- AMAZON COM INC · COM · 023135106 · shares: $1,427,683,418
- NVIDIA CORPORATION · COM · 67066G104 · shares: $1,234,730,872
- ALPHABET INC · CAP STK CL C · 02079K107 · shares: $988,733,208
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $808,469,516
- JPMORGAN CHASE & CO · COM · 46625H100 · shares: $750,171,457
- VISA INC · COM CL A · 92826C839 · shares: $649,718,726
- STATE STR SPDR S&P 500 ETF T · TR UNIT · 78462F103 · shares: $642,931,154
- GE VERNOVA INC · COM · 36828A101 · shares: $610,369,547
Reported holdings
2,029 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| TRANSMEDICS GROUP INC | COM | 89377M109 | — | 14,870 shares | $1,240,860 |
| BARCLAYS BANK PLC | IPATH SELCT MLP | 06742C723 | — | 36,306 shares | $1,239,124 |
| ARCH CAP GROUP LTD | ORD | G0450A105 | — | 13,365 shares | $1,234,394 |
| DBX ETF TR | XTRACK MSCI EAFE | 233051200 | — | 22,435 shares | $1,232,782 |
| VICOR CORP | COM | 925815102 | — | 4,244 shares | $1,226,261 |
| URANIUM ENERGY CORP | COM | 916896103 | — | 129,695 shares | $1,225,618 |
| HASBRO INC | COM | 418056107 | — | 13,963 shares | $1,224,305 |
| INNOVATOR ETFS TRUST | US EQTY BUFR JUL | 45782C789 | — | 22,084 shares | $1,223,891 |
| PURE CYCLE CORP | COM NEW | 746228303 | — | 110,304 shares | $1,217,756 |
| GSK PLC | SPONSORED ADR | 37733W204 | — | 25,238 shares | $1,215,726 |
| COGNEX CORP | COM | 192422103 | — | 19,990 shares | $1,212,394 |
| OSHKOSH CORP | COM | 688239201 | — | 9,357 shares | $1,205,333 |
| SCHWAB STRATEGIC TR | US LCAP VA ETF | 808524409 | — | 36,146 shares | $1,204,025 |
| ISHARES TR | CORE MSCI EURO | 46434V738 | — | 16,330 shares | $1,203,487 |
| ROCKET COS INC | COM CL A | 77311W101 | — | 104,228 shares | $1,199,664 |
| KADANT INC | COM | 48282T104 | — | 4,584 shares | $1,198,808 |
| BENTLEY SYS INC | COM CL B | 08265T208 | — | 37,453 shares | $1,196,635 |
| TIDAL TRUST III | NAACP MINO ETF | 45259A209 | — | 19,620 shares | $1,196,265 |
| WESCO INTL INC | COM | 95082P105 | — | 3,295 shares | $1,184,717 |
| SUNBELT RENTALS HOLDINGS INC | SHS | 866966104 | — | 16,138 shares | $1,181,450 |
| HSBC HLDGS PLC | SPON ADR NEW | 404280406 | — | 11,814 shares | $1,173,226 |
| ALCON AG | ORD SHS | H01301128 | — | 18,059 shares | $1,169,301 |
| CARPENTER TECHNOLOGY CORP | COM | 144285103 | — | 3,003 shares | $1,167,626 |
| WAYFAIR INC | CL A | 94419L101 | — | 11,373 shares | $1,166,415 |
| ISHARES TR | ESG MSCI LEADR | 46435U218 | — | 8,538 shares | $1,163,668 |
| VANGUARD WORLD FD | FINANCIALS ETF | 92204A405 | — | 8,824 shares | $1,147,892 |
| FORMFACTOR INC | COM | 346375108 | — | 7,667 shares | $1,144,760 |
| ATLANTA BRAVES HLDGS INC | COM SER A | 047726104 | — | 19,579 shares | $1,136,169 |
| OPTION CARE HEALTH INC | COM NEW | 68404L201 | — | 50,335 shares | $1,132,034 |
| TRADEWEB MKTS INC | CL A | 892672106 | — | 11,212 shares | $1,130,621 |
| HINGE HEALTH INC | CL A | 433313103 | — | 11,591 shares | $1,127,109 |
| MITSUBISHI UFJ FINANCIAL GRO | SPONSORED ADS | 606822104 | — | 48,835 shares | $1,126,622 |
| SCHWAB STRATEGIC TR | EMRG MKTEQ ETF | 808524706 | — | 30,708 shares | $1,119,322 |
| CARDIFF ONCOLOGY INC | COM | 14147L108 | — | 916,975 shares | $1,109,540 |
| OCEANFIRST FINL CORP | COM | 675234108 | — | 67,069 shares | $1,108,651 |
| CIVISTA BANCSHARES INC | COM NO PAR | 178867107 | — | 42,000 shares | $1,107,960 |
| SPDR SERIES TRUST | ST STR BLO 1 ETF | 78468R663 | — | 12,090 shares | $1,107,903 |
| ISHARES TR | GLOBAL TECH ETF | 464287291 | — | 7,466 shares | $1,106,670 |
| WELLS FARGO & CO | PERP PFD CNV A | 949746804 | — | 1,025 shares | $1,105,965 |
| MERIT MED SYS INC | COM | 589889104 | — | 12,817 shares | $1,105,210 |
| SPDR SERIES TRUST | ST STR SP AERO | 78464A631 | — | 4,769 shares | $1,102,839 |
| FIRST SOLAR INC | COM | 336433107 | — | 6,279 shares | $1,099,791 |
| SPROTT ASSET MANAGEMENT LP | PHYSICAL SILVER | 85207K107 | — | 56,771 shares | $1,099,654 |
| PLAINS ALL AMERN PIPELINE L | UNIT LTD PARTN | 726503105 | — | 46,171 shares | $1,095,176 |
| FLUOR CORP | COM | 343412102 | — | 22,821 shares | $1,092,669 |
| WP CAREY INC | COM | 92936U109 | — | 16,845 shares | $1,088,703 |
| TENABLE HLDGS INC | COM | 88025T102 | — | 29,783 shares | $1,083,813 |
| ISHARES TR | US HLTHCARE ETF | 464287762 | — | 15,134 shares | $1,082,962 |
| NXP SEMICONDUCTORS N V | COM | N6596X109 | — | 4,548 shares | $1,080,385 |
| NISOURCE INC | COM | 65473P105 | — | 27,654 shares | $1,078,519 |
| CHURCHILL DOWNS INC | COM | 171484108 | — | 14,215 shares | $1,075,794 |
| MGM RESORTS INTERNATIONAL | COM | 552953101 | — | 34,623 shares | $1,075,048 |
| COGENT COMM HOLDINGS INC | COM NEW | 19239V302 | — | 137,970 shares | $1,074,786 |
| SPDR SERIES TRUST | ST STR SP SEMI | 78464A862 | — | 2,009 shares | $1,064,021 |
| MANCHESTER UTD PLC NEW | ORD CL A | G5784H106 | — | 50,766 shares | $1,063,548 |
| CORE SCIENTIFIC INC NEW | *W EXP 01/23/202 | 21874A114 | — | 114,389 shares | $1,061,530 |
| PPG INDS INC | COM | 693506107 | — | 10,166 shares | $1,060,651 |
| HYATT HOTELS CORP | COM CL A | 448579102 | — | 6,630 shares | $1,051,218 |
| DOLLAR GEN CORP | COM | 256677105 | — | 8,699 shares | $1,040,272 |
| IONQ INC | COM | 46222L108 | — | 23,708 shares | $1,039,833 |
| CHEESECAKE FACTORY INC | COM | 163072101 | — | 9,868 shares | $1,038,555 |
| MAXLINEAR INC | COM | 57776J100 | — | 11,472 shares | $1,036,036 |
| CANTON STRATEGIC HOLDINGS IN | COM | 432705309 | — | 434,242 shares | $1,031,325 |
| FLEXSHARES TR | NRTRN TR STOX GB | 33939L795 | — | 16,492 shares | $1,028,748 |
| ARHAUS INC | COM CL A | 04035M102 | — | 108,391 shares | $1,026,463 |
| SOUTHWEST AIRLS CO | COM | 844741108 | — | 24,589 shares | $1,023,871 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 | — | 1,673 shares | $1,023,474 |
| MERCURY SYS INC | COM | 589378108 | — | 12,317 shares | $1,022,311 |
| HALOZYME THERAPEUTICS INC | COM | 40637H109 | — | 9,244 shares | $1,020,538 |
| CONNECTONE BANCORP INC | COM | 20786W107 | — | 33,910 shares | $1,018,996 |
| DEUTSCHE BK AG | NAMEN AKT | D18190898 | — | 28,291 shares | $1,015,357 |
| COLLIERS INTL GROUP INC | SUB VTG SHS | 194693107 | — | 11,273 shares | $1,012,335 |
| VANGUARD INTL EQUITY INDEX F | FTSE PACIFIC ETF | 922042866 | — | 8,669 shares | $1,003,957 |
| VANECK ETF TRUST | AGRIBUSINESS ETF | 92189F700 | — | 12,318 shares | $1,003,521 |
| KLAVIYO INC | COM SER A | 49845K101 | — | 63,522 shares | $999,201 |
| DIME COML BANCSHARES INC | COM | 25432X102 | — | 25,328 shares | $998,434 |
| ALLIANT ENERGY CORP | COM | 018802108 | — | 15,619 shares | $988,667 |
| ESSENTIAL UTILS INC | COM | 29670G102 | — | 25,184 shares | $986,952 |
| ON HLDG AG | NAMEN AKT A | H5919C104 | — | 33,259 shares | $984,799 |
| LANDSTAR SYS INC | COM | 515098101 | — | 5,807 shares | $979,322 |
| ISHARES TR | ESG AWRE 1 5 YR | 46435G243 | — | 40,044 shares | $978,281 |
| SPS COMM INC | COM | 78463M107 | — | 11,754 shares | $969,000 |
| INTEGER HLDGS CORP | COM | 45826H109 | — | 7,666 shares | $968,599 |
| ABRDN PLATINUM ETF TRUST | PHYSCL PLATM SHS | 003260106 | — | 62,810 shares | $967,902 |
| INNOVATOR ETFS TRUST | US EQTY BUFR FEB | 45782C433 | — | 17,843 shares | $964,534 |
| KEYCORP | COM | 493267108 | — | 48,048 shares | $964,329 |
| INGERSOLL RAND INC | COM | 45687V106 | — | 12,839 shares | $964,301 |
| ISHARES TR | 20 YR TR BD ETF | 464287432 | — | 12,386 shares | $963,420 |
| JBT MAREL CORPORATION | COM | 477839104 | — | 9,115 shares | $962,481 |
| VANGUARD WORLD FD | INDUSTRIAL ETF | 92204A603 | — | 2,992 shares | $958,849 |
| SPDR INDEX SHS FDS | ST INTL CAP ETF | 78463X871 | — | 21,028 shares | $958,246 |
| PROSHARES TR | S&P SMALLCAP 600 | 74347B698 | — | 13,177 shares | $945,054 |
| HILTON WORLDWIDE HLDGS INC | COM | 43300A203 | — | 2,958 shares | $940,898 |
| ESQUIRE FINL HLDGS INC | COM | 29667J101 | — | 8,055 shares | $937,360 |
| RYDER SYS INC | COM | 783549108 | — | 4,112 shares | $936,976 |
| GLOBAL X FDS | NASDAQ 100 COVER | 37954Y483 | — | 50,499 shares | $936,756 |
| TEVA PHARMACEUTICAL INDS LTD | SHS | M8769Q102 | — | 23,613 shares | $935,075 |
| HORIZON TECHNOLOGY FIN CORP | COM | 44045A102 | — | 202,494 shares | $929,448 |
| EAGLE MATLS INC | COM | 26969P108 | — | 5,408 shares | $924,876 |
| ISHARES TR | U.S. BAS MTL ETF | 464287838 | — | 5,192 shares | $924,875 |